Color Tech
KriTA HSY
https://wolthera.info/2014/07/hsi-and-hsy-for-kritas-advanced-colour-selector/
OKLCh
https://evilmartians.com/chronicles/oklch-in-css-why-quit-rgb-hsl
https://bottosson.github.io/misc/colorpicker/#86a5f7
https://oklch.com/#52.67,0.096,93.71,100
https://bottosson.github.io/posts/colorpicker/
https://helpx.adobe.com/photoshop/using/gradient-interpolation.html
12 channel mixing
https://www.focalpaint.com/
Light effect
https://en.wikipedia.org/wiki/Abney_effect
https://en.wikipedia.org/wiki/Helmholtz–Kohlrausch_effect
https://en.wikipedia.org/wiki/Purkinje_effect
Perceptually uniform
https://observablehq.com/@mattdesl/perceptually-smooth-multi-color-linear-gradients
https://bottosson.github.io/posts/oklab/
https://www.youtube.com/watch?v=fv-wlo8yVhk&t=1s
HSV HSI for easier math
https://docs.krita.org/en/general_concepts/colors/scene_linear_painting.html